1 files changed, 8 insertions, 3 deletions
diff --git a/llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp b/llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp
index 812f4b73bd1..f6c58165497 100644
--- a/llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp
+++ b/llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp
@@ -200,9 +200,14 @@ namespace {
     }
 
     bool writeNopData(uint64_t Count, MCObjectWriter *OW) const {
-      // FIXME: Zero fill for now.
-      for (uint64_t i = 0; i != Count; ++i)
-        OW->Write8(0);
+      // Cannot emit NOP with size not multiple of 32 bits.
+      if (Count % 4 != 0)
+        return false;
+
+      uint64_t NumNops = Count / 4;
+      for (uint64_t i = 0; i != NumNops; ++i)
+        OW->Write32(0x01000000);
+
       return true;
     }